Welcome to Roy Levin's homepage

a picture of me and my daughter Mia

Contact Information

Name:Roy Levin
Position: Senior Researcher at Microsoft
Role: Data Scientist in Azure Security Center, Microsoft, Israel R&D Center
Description:   Apply large scale machine learning and information retrieval techniques for the purpose of identifying and investigating security alerts in the Cloud.
Email:my_user_name@gmail.com (replace my my_user_name with levin.royl)

Research Topics

Publications

  • R. Levin, H. Abassi and U. Cohen
    Guided Walk: A Scalable Recommendation Algorithm for Complex Heterogeneous Social Networks
    In Proceedings of the 10th ACM Conference on Recommender Systems (RecSys), September 2016
  • A. Hashavit, R. Levin, I. Guy and G. Kutiel
    Effective Trend Detection Within a Dynamic Search Context
    In Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), July 2016
  • G. Ido, R. Levin, T. Daniel and E. Bolshinsky
    Islands in the Stream: A Study of Item Recommendation Within an Enterprise Social Stream
    In Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), August 2015
  • R. Levin and Y. Kanza
    Stratified-sampling over Social Networks Using Mapreduce
    In Proceedings of the ACM SIGMOD International Conference on Management of Data, June 2014
  • R. Levin and Y. Kanza
    TARS: Traffic-Aware Route Search
    In GeoInformatica, July 2013
  • R. Levin, E. Kravi and Y. Kanza
    Concurrent and Robust Topological Map Matching
    In Proceedings of the ACM SIGSPATIAL GIS, November 2012
  • R. Levin and Y. Kanza
    Interactive Traffic-Aware Route Search on Smartphones
    International Workshop on Mobile Geographic Information Systems, November 2012
  • R. Friedman, I. Hefez, Y. Kanza, R. Levin, E. Safra and Y. Sagiv.
    WISER: A Web-based Interactive Route Search System for Smartphones.
    In Proceedings of the International Conference on World Wide Web (WWW), Lyon (France), April 2012
  • I. Hefez, Y. Kanza and R. Levin.
    TARSIUS: A System for Traffic-Aware Route Search under Conditions of Uncertainty.
    In Proceedings of the ACM SIGSPATIAL GIS, November 2011
  • Y. Kanza, R. Levin, E. Safra and Y. Sagiv.
    Interactive Route Search in the Presence of Order Constraints.
    In Proceedings of the VLDB Endowment (PVLDB), 3(1), September 2010
  • Y. Kanza, R. Levin, E. Safra and Y. Sagiv.
    An Interactive Approach to Route Search.
    In Proceedings of the ACM SIGSPATIAL GIS, November 2009

Ph.D

Demos

Performance Optimizations

  • R. Levin, I. Newman and G. Haber.
    Complementing Missing and Inaccurate Profiling using a Minimum Cost Circulation Algorithm.
    In Proceedings of the High Performance Embedded Architectures and Compilers (HiPEAC) , Vol. 4917, 2008, pp. 291-304
  • Y. Ben-Asher, D. Citron, O. Boehm, G. Haber, M. Klausner, R. Levin and Y. Shajrawi.
    Aggressive Function Inlining: Preventing Loop Blockings in the Instruction Cache.
    In Proceedings of the High Performance Embedded Architectures and Compilers (HiPEAC) , Vol. 4917, 2008, pp. 384-397
  • D. Citron, G. Haber and R. Levin.
    Reducing program image size by extracting frozen code and data.
    In Proceedings of the 4th ACM international conference on Embedded software, September 2004

M.Sc

Past Work Experience

Education

Patents

Awards